CN212751287U

CN212751287U - Wire harness connector

Info

Publication number: CN212751287U
Application number: CN202022095291.0U
Authority: CN
Inventors: 黄坤林; 胡圣凤
Original assignee: Suzhou Smart Electronic Technology Co ltd
Current assignee: Suzhou Smart Electronic Technology Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-03-19
Anticipated expiration: 2030-09-22

Abstract

The application relates to the technical field of electric signal connection, in particular to a wiring harness connector, which comprises a plug and a socket, wherein a first connecting end of the plug and a first connecting end of the socket are both connected with external wires, a second connecting end of the plug is in splicing fit with a second connecting end of the socket, a plurality of contact pins are uniformly arranged in the socket, the axes of the contact pins are parallel to the axis of the socket, external threads are arranged on the outer wall of the second connecting end of the socket, a hexagonal stop block is arranged at the end of the external threads far away from the second connecting end of the socket, a plurality of needle holes are arranged at the positions and the quantity of the second connecting end of the plug corresponding to the contact pins, a screw cap matched with the external threads is further arranged on the plug, the outer wall of the screw cap is consistent with the shape and the size of the stop block, a first locking groove is arranged on the stop block, a locking block is arranged in the first locking groove in a sliding mode. The socket has the effect of fastening the connection of the socket and the plug.

Description

Wire harness connector

Technical Field

The application relates to the technical field of electric signal connection, in particular to a wire harness connector.

Background

The wire harness connector is used for connecting two active devices, transmits current or signals, and can transmit information or current after the male end and the female end are contacted; the wire harness connector is a relay station of a wire harness in an industrial automation equipment circuit, the wire harness is generally connected with the wire harness and electrical parts through connectors, and if some electronic part fails, the failed part can be quickly replaced when the connector is installed.

Chinese patent with publication number CN207638109U discloses a plastic industrial connector, which comprises a socket and a plug, the inside fixed mounting of socket has a retaining ring, the inside fixed mounting of retaining ring has a contact pin, the internal surface of retaining ring has been seted up the spacing groove, the back fixedly connected with connecting wire of socket, the internal surface fixed mounting of plug has the spacing, the inside of plug has been seted up with the jack that the contact pin cooperation was used.

Although the industrial connector is convenient to plug, the socket and the plug are not firmly connected and are easy to loosen in the actual use process.

With respect to the related art in the above, the inventors consider that there is a drawback that the socket and the plug are not firmly fastened.

SUMMERY OF THE UTILITY MODEL

To make the connection of the receptacle and the plug more secure, the present application provides a harness connector.

The application provides a wire harness connector adopts following technical scheme:

a wire harness connector comprises a plug and a socket, wherein one end of the plug is in plug-in fit with the socket, a plurality of contact pins are uniformly arranged in the socket, the axes of the contact pins are parallel to the axis of the socket, an external thread is arranged on the outer wall of the socket close to one end of the plug, and a hexagonal stop block is arranged at one end of the external thread far away from the plug; the plug is provided with a plurality of needle holes corresponding to the positions and the number of the contact pins, the plug is further provided with a screw cap matched with the external threads, one end, far away from the socket, of the plug penetrates through the screw cap, the stop block is provided with a first locking groove, the screw cap is screwed down and then provided with a second locking groove corresponding to the position of the first locking groove, and a locking block is arranged in the first locking groove in a sliding mode.

By adopting the technical scheme, the pin hole on the plug is aligned with the contact pin in the socket and then inserted into the socket, the pin hole and the contact pin which are matched mutually enable the connector to be connected and fastened under the action of friction force, and then the screw cap is screwed to be abutted against the stop block, so that the plug and the socket are connected and fastened more firmly; when the second locking groove is aligned with the first locking groove, the locking block is slid, one end of the locking block is positioned in the first locking groove, and the other end of the locking block is positioned in the second locking groove, so that the possibility of rotation looseness of the screwed screw cap is reduced; multiple locking is reinforced, so that the socket and the plug are connected more stably.

Optionally, the first locking groove and the second locking groove are dovetail grooves.

Through adopting above-mentioned technical scheme, reduce the connector and break away from the possibility in first locking groove and second locking groove at the activity in-process locking piece.

Optionally, a limiting groove is formed in the bottom of the end, away from the second locking groove, of the first locking groove, a spring is arranged in the limiting groove, one end of the spring is fixedly connected with the bottom of the limiting groove, the other end of the spring is connected with a limiting block, and the limiting block extends out of the limiting groove.

By adopting the technical scheme, the first locking groove and the locking block inside the first locking groove are limited, and the possibility that the locking block slides out of the second locking groove is reduced; the limiting block is pressed down to enable the locking block to slide out of the second locking groove, so that the plug and the socket can be conveniently plugged and separated.

Optionally, a shifting block is arranged on one side, away from the first locking groove, of the locking block.

Through adopting above-mentioned technical scheme, conveniently utilize the shifting block to stir the locking piece, make the locking piece slide in first locking groove and second locking inslot portion.

Optionally, a positioning block is arranged on the inner wall of one end, close to the plug, of the socket, the positioning block is arranged along the axis direction of the socket, and a positioning groove matched with the positioning block in an inserting mode is formed in the outer wall of the second connecting end of the plug.

By adopting the technical scheme, the plug is positioned when being inserted into the socket, the possibility that the pin holes are not in one-to-one correspondence with the contact pins is reduced, and the signal transmission accuracy is improved.

Optionally, a rubber pad is arranged on one side of the stop block close to the plug, and notches are formed in the rubber pad corresponding to the first locking groove and the second locking groove.

Through adopting above-mentioned technical scheme, the rubber pad has insulating and sealed dual function, reduces the inside infiltration in the connector working process and leads to the possibility of short circuit, and the rubber pad receives the extrusion of spiral shell lid to produce deformation simultaneously, still can increase frictional force, makes the connector connect more firmly.

Optionally, a bump is arranged on one side of the stop block close to the rubber pad, and a limit opening is formed in the rubber pad corresponding to the bump.

Through adopting above-mentioned technical scheme, make the lug card spacing in the spacing mouth on the rubber pad to the rubber pad, reduce the rotatory possibility of spiral shell lid is followed to the rubber pad at the rotatory in-process of spiral shell lid to reach and reduce the possibility that breach and first locking groove and second locking groove do not correspond, make things convenient for the locking piece to slide at first locking groove and second locking inslot portion.

Optionally, one end of the pinhole close to the contact pin is provided with a flared opening.

By adopting the technical scheme, the guide function is realized when the contact pin is inserted into the pinhole, so that the contact pin is more convenient to insert into the pinhole.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the locking block for preventing the screw cap from loosening is further arranged on the basis of the structure that the screw thread and the screw cap are matched at the joint of the plug and the socket, so that the effect that the plug and the socket are connected and fastened and are not easy to loosen is achieved;

2. through set up locating piece and constant head tank on socket and plug respectively, reduce positioning deviation's effect when reaching convenient grafting socket and plug.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of a needle structure embodied in an embodiment of the present application;

FIG. 3 is a cross-sectional view of an embodiment of the present application embodying the overall structure;

fig. 4 is an enlarged view at a in fig. 3.

Description of reference numerals: 1. a plug; 11. a pinhole; 111. expanding the mouth; 12. a screw cap; 122. a second locking groove; 13. positioning a groove; 2. a socket; 21. a stylus; 22. positioning blocks; 23. a stopper; 231. a first locking groove; 232. a limiting groove; 233. a spring; 234. a limiting block; 24. an external thread; 25. a bump; 4. a locking block; 41. shifting blocks; 5. a rubber pad; 51. a limiting opening.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a wire harness connector. Referring to fig. 1 and 2, a harness connector includes a header 1 and a receptacle 2, one end of the header 1 is plug-fitted with the receptacle 2, a plurality of contact pins 21 parallel to the axis of the socket 2 are uniformly arranged in the socket 2, an external thread 24 is arranged on the outer wall of one end of the socket 2 close to the plug 1, a hexagonal stop block 23 is arranged at one end of the external thread 24 far away from the plug 1, pinholes 11 are arranged on the plug 1 corresponding to the positions and the number of the contact pins 21, a screw cap 12 matched with the external thread 24 is also arranged on the plug 1, the shape and the size of the outer wall of the screw cap 12 are consistent with those of the stop block 23, one end of the screw cap 12 far away from the socket 2 penetrates through the screw cap 12, the pinholes 11 on the plug 1 are aligned with the contact pins 21, the connector is tightly connected under the action of self friction force through the matched pinhole 11 and the contact pin 21, and then the screw cap 12 is screwed to be abutted against the stop block 23, so that the plug 1 and the socket 2 are tightly connected.

Referring to fig. 3, a first locking groove 231 is formed in the stopper 23, the first locking groove 231 penetrates through the axial direction of the stopper 23, after the screw cap 12 is screwed down, the edge of the screw cap 12 is aligned with the edge of the stopper 23, a second locking groove 122 is formed in a position corresponding to the first locking groove 231, and the second locking groove 122 is communicated with the first locking groove 231 and has the same shape and size; the locking block 4 is slidably disposed in the first locking groove 231, so that two ends of the locking block 4 are respectively disposed in the first locking groove 231 and the second locking groove 122, and the possibility of rotation and loosening of the screwed screw cap 12 can be reduced. The first locking groove 231 and the second locking groove 122 are dovetail grooves, so that the possibility that the locking block 4 is separated from the first locking groove 231 and the second locking groove 122 when the first locking groove 231 and the second locking groove 122 face the ground during the rotation of the connector is reduced.

Referring to fig. 3 and 4, a limiting groove 232 is formed in the groove bottom of one end, away from the second locking groove 122, of the first locking groove 231, a spring 233 is arranged in the limiting groove 232, the bottom of the limiting groove 232 is fixedly connected with one end of the spring 233, the other end of the spring 233 is connected with a limiting block 234, the size and the shape of the limiting block 234 are consistent with those of the limiting groove 232, the limiting block 234 extends out of the limiting groove 232 to limit the locking block 4 in the first locking groove 231 and the locking block 4, and the possibility that the locking block 4 slides out of the second locking groove 122 is reduced; pressing the limiting block 234 can make the limiting block 234 enter the limiting groove 232, so that the locking block 4 slides out of the second locking groove 122, thereby facilitating the insertion and separation of the plug 1 and the socket 2.

Referring to fig. 3, one side of the locking block 4 away from the first locking groove 231 is fixedly connected with the shifting block 41, so that the shifting block 41 can be conveniently shifted to enable the locking block 4 to slide in the first locking groove 231 and the second locking groove 122.

Referring to fig. 1 and 3, a positioning block 22 is arranged on the inner wall of one end, close to the plug 1, of the socket 2 along the axial direction of the socket 2, a positioning groove 13 is arranged on the outer wall of the plug 1, the positioning groove 13 is matched with the positioning block 22 in shape and size, when the plug 1 is inserted into the socket 2 for positioning, each contact pin 21 is inserted into the corresponding pin hole 11, the possibility that the contact pins 21 do not correspond to the pin holes 11 is reduced, and the accuracy of signal transmission is improved.

Referring to fig. 1, one side that dog 23 is close to plug 1 is equipped with rubber pad 5, and the matched with breach is seted up to the shape and the size that rubber pad 5 corresponds first locking groove 231 and second locking groove 122, and rubber pad 5 has insulating and sealed dual function, reduces the possibility that the inside infiltration of connector leads to the short circuit in industrial production, and rubber pad 5 receives the pressure production deformation of screw cap 12 simultaneously, has increased the frictional force between dog 23 and the screw cap 12, makes the connector connect more firmly.

Referring to fig. 1 and 3, in order to reduce the possibility that the notch does not correspond to the first locking groove 231 and the second locking groove 122, the bump 25 is arranged on one side of the stop block 23 close to the rubber pad 5, the size and the shape of the bump 25 corresponding to the rubber pad 5 are provided with the limiting opening 51, when the screw cap 12 is rotated, the bump 25 is clamped in the limiting opening 51 on the rubber pad 5, the possibility that the rubber pad 5 follows the rotation of the screw cap 12 is reduced, the locking block 4 can slide in the first locking groove 231 and the second locking groove 122 conveniently, meanwhile, the possibility that the rubber pad 5 protrudes out of the connector after the screw cap 12 is screwed down can be reduced, and the attractiveness of the connector is improved.

Referring to fig. 1 and 2, one end of the pinhole 11 near the contact pin 21 is provided with a flared opening 111, which plays a guiding role when the contact pin 21 is inserted into the pinhole 11, so that the contact pin 21 can be inserted into the pinhole 11 more conveniently, and the slightly inclined contact pin 21 can be inserted into the pinhole 11 smoothly.

The specific implementation mode is as follows:

during the grafting, insert socket 2 with plug 1 inside, screw 12 is contradicted with dog 23 to the spiral shell lid of screwing, makes second locking groove 122 and first locking groove 231 corresponding simultaneously, stirs shifting block 41 and makes and be in inside locking piece 4 of first locking groove 231 and slide into first locking groove 231 inside, realizes the locking to spiral shell lid 12, and the fastening is reliable between socket 2 and the plug 1.

During separation, the shifting block 41 is shifted while the limiting block 234 is pressed, so that the locking block 4 slides out of the second locking groove 122, the screw cap 12 is screwed out, and the plug 1 and the socket 2 can be separated by pulling out the plug 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a wire harness connector, includes plug (1) and socket (2), the cooperation of pegging graft of one end and socket (2) of plug (1), its characterized in that: a plurality of contact pins (21) are uniformly arranged in the socket (2), the axes of the contact pins (21) are parallel to the axis of the socket (2), an external thread (24) is arranged on the outer wall of one end, close to the plug (1), of the socket (2), and a hexagonal stop block (23) is arranged at one end, far away from the plug (1), of the external thread (24);

the plug is characterized in that a plurality of pinholes (11) are formed in the position and the number of the plug (1) corresponding to the contact pins (21), a screw cap (12) matched with an external thread (24) is further arranged on the plug (1), one end, far away from the socket (2), of the plug (1) penetrates through the screw cap (12), a first locking groove (231) is formed in the stop block (23), a second locking groove (122) is formed in the position, corresponding to the first locking groove (231), of the screw cap (12) after being screwed down, and a locking block (4) is arranged in the first locking groove (231) in a sliding mode.

2. The wire harness connector according to claim 1, wherein: the first locking groove (231) and the second locking groove (122) are dovetail grooves.

3. The wire harness connector according to claim 2, wherein: spacing groove (232) are seted up to first locking groove (231) one end tank bottom of keeping away from second locking groove (122), be equipped with spring (233) in spacing groove (232), spring (233) one end fixed connection spacing groove (232) bottom, spacing (234) are connected to the spring (233) other end, spacing (232) are extended in spacing (234).

4. The wire harness connector according to claim 3, wherein: and a shifting block (41) is arranged on one side, away from the first locking groove (231), of the locking block (4).

5. The wire harness connector according to claim 1, wherein: the plug is characterized in that a positioning block (22) is arranged on the inner wall, close to one end of the plug (1), of the socket (2), the positioning block (22) is arranged along the axis direction of the socket (2), and a positioning groove (13) which is in plug-in fit with the positioning block (22) is formed in the outer wall of the plug (1).

6. The wire harness connector according to claim 1, wherein: one side of the stop block (23) close to the plug (1) is provided with a rubber pad (5), and the rubber pad (5) is provided with a notch corresponding to the first locking groove (231) and the second locking groove (122).

7. The wire harness connector according to claim 6, wherein: one side of the stop block (23) close to the rubber pad (5) is provided with a convex block (25), and the rubber pad (5) is provided with a limit opening (51) corresponding to the convex block (25).

8. The wire harness connector according to claim 1, wherein: one end of the pinhole (11) close to the contact pin (21) is provided with a flared opening (111).